text: The bank stock group is not enough to keep the market up, VN - Index plunged at the end of the session on May 13 as selling pressure prevailed?
classes:  No, the difference between supply and demand led to the VN - Index price fluctuating sharply at the end of May 13.  Also, the difference between supply and demand led to the VN - Index price fluctuating sharply at the end of May 13.  Yes, the difference between supply and demand led to the VN - Index price fluctuating sharply at the end of May 13.